Michelle, a French sculptor living in Rome, is told of a job babysitting a rich man's son by her new friend Ann, an actress. When she arrives at the boy's house, she discovers that he in fact has been kidnapped...
| Writing | Luciano Vincenzoni | Screenplay |
| Writing | Nicola Badalucco | Screenplay |
| Writing | Mark Peploe | Screenplay |
| Production | Carlo Ponti | Producer |
| Directing | René Clément | Director |
| Camera | Alberto Spagnoli | Director of Photography |
| Writing | René Clément | Screenplay |
| Writing | Nicola Badalucco | Story |
| Writing | Luciano Vincenzoni | Story |
| Sound | Francis Lai | Original Music Composer |
| Production | Wolfdieter von Stein | Producer |
| Production | Zev Braun | Producer |
| Production | Jacques Bar | Executive Producer |
| Production | Jacques Bar | Producer |
| Editing | Christiane Lack | Editor |
| Editing | Fedora Zincone | Editor |
| Art | Carlo Egidi | Art Direction |
| Art | Carlo Gervasi | Set Decoration |
| Costume & Make-Up | Nadia Vitali | Costume Design |
| Costume & Make-Up | Otello Fava | Makeup Artist |
| Costume & Make-Up | Luciano Vito | Hairstylist |
| Production | Luciano Piperno | Production Supervisor |
| Sound | Carlo Palmieri | Sound |
| Directing | Marco Pettini | Assistant Director |
| Directing | Antonio Gabrielli | Assistant Director |
| Crew | Carlo De Marchis | Special Effects Assistant |
| Visual Effects | Carlo Rambaldi | Special Effects Supervisor |
| Crew | Vic Morrow | Stunts |
| Camera | Giovanni Fiore Coltellacci | Assistant Camera |
| Camera | Emilio Loffredo | Camera Operator |
| Production | Jose Villaverde | Casting |
| Editing | Catherine Zins | Assistant Editor |
| Directing | Anita Borgiotti | Script Supervisor |
| Sound | André Ceccarelli | Musician |
| Sound | Christian Gaubert | Musician |
| Sound | Christian Gaubert | Conductor |
| Sound | Raymond Jimenez | Musician |
| Sound | Jannick Top | Musician |
| Production | Sergio Bologna | Administration |
| Production | Luciano Piperno | General Manager |